Navan Climate by Month
Navan, Leinster, Ireland
Mild summers and cool winters, with rain spread through the year.
The climate in Navan is one of mild summers and cool winters, with rain spread through the year. July is the warmest month, with highs around 67°F (19°C); January is the coolest at 46°F (8°C), and nights dip to 36°F (2°C). It gets 38 in (971 mm) of rain a year, spread across the months. The air is humid, averaging 85% relative humidity.
- Warmest month
- 67°F(19°C)
- Average high, July
- Coldest nights
- 36°F(2°C)
- Average low, January
- Rain per year
- 38 in(971 mm)
- No clear rainy season
- Humidity
- 85%
- Sunniest: June
Best and worst months in Navan
Best for weatherThe most comfortable weather comes in July and August, with highs around 67°F (19°C) and about 3.3 in (84 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 46°F (8°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Navan weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 46°F(8°C) | 36°F(2°C) | 3.3 in(85 mm) | 91% | 0.6 |
| FebFebruary | 48°F(9°C) | 36°F(2°C) | 2.6 in(67 mm) | 89% | 1.3 |
| MarMarch | 51°F(11°C) | 38°F(3°C) | 2.5 in(64 mm) | 81% | 2.2 |
| AprApril | 55°F(13°C) | 40°F(4°C) | 2.5 in(63 mm) | 81% | 3.7 |
| MayMay | 60°F(16°C) | 44°F(7°C) | 2.7 in(68 mm) | 75% | 4.7 |
| JunJune | 64°F(18°C) | 49°F(9°C) | 3.0 in(76 mm) | 83% | 4.8 |
| JulJulyBest | 67°F(19°C) | 52°F(11°C) | 3.0 in(75 mm) | 81% | 4.4 |
| AugAugustBest | 66°F(19°C) | 52°F(11°C) | 3.7 in(93 mm) | 82% | 3.7 |
| SepSeptember | 63°F(17°C) | 49°F(9°C) | 3.3 in(85 mm) | 86% | 2.7 |
| OctOctober | 57°F(14°C) | 44°F(7°C) | 3.7 in(93 mm) | 88% | 1.5 |
| NovNovember | 51°F(10°C) | 39°F(4°C) | 4.5 in(114 mm) | 88% | 0.8 |
| DecDecember | 47°F(8°C) | 36°F(2°C) | 3.5 in(88 mm) | 90% | 0.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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